What is a Bitcoin Merklized Abstract Syntax Tree (MAST)?

Merklized Abstract Syntax Trees (MAST) are a proposed addition to Bitcoin that allows for smaller transaction sizes, more privacy, and larger smart contracts. In this post, we’ll explore the basics of MAST, describe its potential…

How Segwit2x Replay Protection Works

Note: This replay protection scheme has since been reverted! Please make sure you DO NOT use the protection scheme from this article for anything as you WILL NOT be protected before or after the 2x hard fork.

A Gentle Introduction to Bitcoin Core Development

If you’re a developer and you own any Bitcoin at all, contributing to Bitcoin Core can be one of the best things you can do to help out your investment. In this article, I’m going to give a gentle, step-by-step overview of how to contribute to…

Saving up to 80% on Bitcoin transaction fees by batching payments

Transaction Malleability Explained

One of the benefits of SegWit, scheduled to activate on the network very soon, is that it fixes something called transaction malleability. In this article, I’m going to explain what malleability is and why fixing it is important.

An introduction to Bitcoin Core fee estimation

Why we have fees